Statements: U = V ≤ W > Q ≥ N; B < Q; E = W

Conclusion: I. E > Q II. W > B

Given statements: U = V ≤ W > Q ≥ N……(i) B < Q …..(ii) E = W……(iii) From (i) and (iii), we get E = W > Q ≥ N ……(iv) From (iv), E > Q is true. From (i) and (ii), W > Q ≥ N > B Thus, W > B is true. Hence, both conclusion I and II are true.

A boat can cover 220 km in downstream in 10 hours and 170 km in upstream in 17 hours. Find the distance travelled by the boat in still water in 5 hours.

A boat takes 1/4th time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of current is?

A man’s speed with the current is 50 km/hr and the speed of the current is 5 km/hr. The man’s speed against the current is:

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